[INFO] fetching crate overflower_support 0.1.5... [INFO] checking overflower_support-0.1.5 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073 [INFO] extracting crate overflower_support 0.1.5 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate overflower_support 0.1.5 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate overflower_support 0.1.5 [INFO] finished tweaking crates.io crate overflower_support 0.1.5 [INFO] tweaked toml for crates.io crate overflower_support 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aa15b3b6ddf508b7cf6d83b1ef5cc4ef835a4bb7b8bdcd87c5ed9e193ae1da2b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "aa15b3b6ddf508b7cf6d83b1ef5cc4ef835a4bb7b8bdcd87c5ed9e193ae1da2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aa15b3b6ddf508b7cf6d83b1ef5cc4ef835a4bb7b8bdcd87c5ed9e193ae1da2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa15b3b6ddf508b7cf6d83b1ef5cc4ef835a4bb7b8bdcd87c5ed9e193ae1da2b", kill_on_drop: false }` [INFO] [stdout] aa15b3b6ddf508b7cf6d83b1ef5cc4ef835a4bb7b8bdcd87c5ed9e193ae1da2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6748315c0ea1090f1c0f7eba2fc35b8396ca9394299203bcc518326570eb2922 [INFO] running `Command { std: "docker" "start" "-a" "6748315c0ea1090f1c0f7eba2fc35b8396ca9394299203bcc518326570eb2922", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Checking overflower_support v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking quickcheck v0.2.27 [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests/quickcheck.rs:6:23 [INFO] [stdout] | [INFO] [stdout] 6 | use std::sync::{Once, ONCE_INIT}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> tests/quickcheck.rs:10:25 [INFO] [stdout] | [INFO] [stdout] 10 | static HANDLER : Once = ONCE_INIT; [INFO] [stdout] | ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | #![feature(specialization)] [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] = note: see issue #31844 for more information [INFO] [stdout] = help: consider using `min_specialization` instead, which is more stable and complete [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.08s [INFO] running `Command { std: "docker" "inspect" "6748315c0ea1090f1c0f7eba2fc35b8396ca9394299203bcc518326570eb2922", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6748315c0ea1090f1c0f7eba2fc35b8396ca9394299203bcc518326570eb2922", kill_on_drop: false }` [INFO] [stdout] 6748315c0ea1090f1c0f7eba2fc35b8396ca9394299203bcc518326570eb2922